# -*- codeing = utf-8 -*-
# @Time : 2021/2/20 14:19
# @Atuthor: 朱朱
# @File: 009字符串的大小写.py
# @Software: PyCharm
msg = 'abcdefg,abcdefg,我是快乐的程序汪'

"""
capitalize      第一个单词的首字母大写
title           每个单词的首字母大写
lower           都变成小写
upper           都变成大写

"""

print(msg.capitalize())
print(msg.title())
print(msg.lower())
print(msg.upper())